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Supernova Rates, Starbursts and Galaxy Inclinations

Published online by Cambridge University Press:  25 April 2016

S. van den Bergh
S. van den Bergh*
Affiliation:
Dominion Astrophysical Observatory, National Research Council of Canada
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Abstract

The supernova rate in spirals of types Sc and Sd shows a sharp peak in face-on galaxies with inclination i ≤ 25°. This suggests that most supernovae in late-type galaxies occur in rich clusters or associations that are located at the base of chimney-like structures formed by a previous generation of supernovae. These chimneys are transparent because most of the dust contained in the rising column of gas within them had previously been destroyed in the hot bubble surrounding supernovae.

Type
Invited
Information
Publications of the Astronomical Society of Australia , Volume 9 , Issue 1 , 1991 , pp. 13 - 14
Copyright
Copyright © Astronomical Society of Australia 1991

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